Finding the Fourth Proportional to 207,161.11, 310,787.16 and 122,998.06
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Solution
The fourth proportional to 207,161.11, 310,787.16 and 122,998.06 is: 184,524.10
Step by Step Solution
- Step 1: Write the proportion equation
207,161.11 : 310,787.16 = 122,998.06 : x - Step 2: Convert to fraction form
207,161.11/310,787.16 = 122,998.06/x - Step 3: Cross multiply
207,161.11x = 310,787.16 × 122,998.06 - Step 4: Simplify right side
207,161.11x = 38,226,217,752.91 - Step 5: Solve for x
x = 38,226,217,752.91/207,161.11 - Step 6: Final answer
x = 184,524.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.